Mountain chart: Improve copy, fix minor interactivity bugs
Mountain chart: Improve copy, fix minor interactivity bugs

jdk137/vizabi,vizabi/vizabi,buchslava/vizabi,Rathunter/vizabi,acestudiooleg/vizabi,alliance-timur/vizabi,homosepian/vizabi,IncoCode/vizabi,acestudiooleg/vizabi,sergey-filipenko/vizabi,maximhristenko/vizabi,IncoCode/vizabi,TBAPI-0KA/vizabi,dab2000/vizabi,Rathunter/vizabi,buchslava/vizabi,TBAPI-0KA/vizabi,dab2000/vizabi,sergey-filipenko/vizabi,vizabi/vizabi,logicerpsolution/vizabi,logicerpsolution/vizabi,alliance-timur/vizabi,buchslava/vizabi,Gapminder/vizabi,maximhristenko/vizabi,maximhristenko/vizabi,homosepian/vizabi,jdk137/vizabi,acestudiooleg/vizabi,IncoCode/vizabi,logicerpsolution/vizabi,Gapminder/vizabi,jdk137/vizabi,TBAPI-0KA/vizabi,Gapminder/vizabi,alliance-timur/vizabi,homosepian/vizabi,Rathunter/vizabi,dab2000/vizabi,sergey-filipenko/vizabi